Machine for lining boxes



June 24,1930. w. E. VESEY 1,767,193

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June 24, 1930. w. E. VESEY 1,767,193

' ncaxua FOR LINING noxss Filed July 5, 1927 4 Sheets-Sheet I5 June 24, 1930. w. E. VESEY CHINE FOR LINING BOXES 4 Sheets-Sheet 4 Filed July 5, 1927 Patented June 24, 1930 UNITED;sr T s PATENT OFFICE WAYNE E. v'nsnY, or rnymou'rn; isconsin, nssrenoa TO x 1 -c COMPANY, or

' :cnrcneo, rumors, A-HCORIBORATION or rumors MACHINE ron LINII-NTG BOXES "Application filed- July 5,

This invention relates to machines for lining boxes such as, for example, wooden boxes used'for packaging food stuff.

One object of .the invention is to provide a machine such as above referred to,

which is operable toplace a sheet of lining material in a .box and to cause the lining sheet to lie smoothly and closely adjacent the inner walls of the box.

Another object is to provide such a machine which will have means for automatically feeding a plurality of boxes successively to the means for inserting the lining sheets, and still another object is to provide means for feeding lining sheets one at a time to said inserting means, and to feed such sheets one at a time from a pile of lining sheets disposed to one side of the box to be lined, to a position over the box preparatory to insertion of the sheet into the box.

Still other. objects are to provide means for inserting a lining sheet into a box and for simultaneously folding portions of the r sheet, which are adapted to serve as flaps to be folded over the top of the material subsequently packed in the box, downwardly along theroutcr walls of the box; to provide such amachine which will'be relatively simple inconstruction, durable andfun-l' .likely to-b ecome out of working order,.and

in general, to provide an of the class described.

Other objects and advantages of the invention will be understood by reference to the following specification and accompanying drawings in which I have illustrated a machine embodying a selected form of the invention, I and in which Fig. 1 is a plan.

Figs. 2, 3 and 4 are sections on the lines 2-2, 3-3 and 4-4 respectively of Fig. 1. I Fig. 5 is a detail-illustration of certain valve mechanism. I

Fig. 6 is a detail illustration of a yieldin connecting rod. i

ig. 7 is a side elevation of the means for feeding the lining sheets from the pile of linimproved machine ing sheets to the box.

Fig. 8 is a iew simllar to Fig. 7, but

:tion.

26 which are'adapted 1927. Serial No. 203,285.

showing the mechanism section of the means for Fig. 9 is a detail carrying the lining sheets picking up and from the pile to the box,-and' Fig. 10 is a fragmentary perspective illustrating the type of box which the present embodiment of my invention is adapted to line and also illustrating a liner in place in the box.

Referring now to the drawings, and particularly l ig. 1, I have indicated a pair of chains 11 and 12 for feeding a plurality of boxes successively to a predetermined position indicated at A where a plunger 13 is adapted to force a sheet of lining material into the box. A

table or other support 15, and a pair of carrying devices 16 and 17 are provided for feeding the lining sheets from the pile 14 to a position over the box position A preparatory to insertion of the. sheet into the box by the plunger 13. When the sheet has been inserted into the box, the box is fed beyond the position A to the discharge end D of the machine, where the box is discharged to any suitable conveyor mechanism, or otherwise disposed of.

The conveyors 11 and 12 comprise chain members which engage sprockets 19 and 20 which are fixed to a shaft 21, which shaft is-rotatably mounted in suitable brackets 22 and 23 which are secured to adjacent porarrangement will be readily understood by 7 those skilled in the art and therefore, is not illustrated in the drawings.

The chains forming the conveyor are each provided with suitably spaced stops or lugs to engage a portion of in a changed posi pile of lining sheets is indicated at 14 supportedv by a suitable which are rotatably the boxes 13" as clearly shown in Fig. 2, and thereby to cause the boxes to travel with the chains whereby the latter are effective to feed the boxes to the position A above referred to, and subsequently to carry the boxes away from such position to the dis charge end of the machine.

The various working parts of the machine may be driven by any suitable means and in the present instance I prefer to provide an electric motor 27 to supply the driving power. Since the usual types of electric motors run at a relatively high rate of speed, I prefer to provide a speed reduction mechanism such an indicated at 28 to which the motor is connected at 29, and which delivers power by means of a relatively slowly rotating shaft 30. A 30 and this gear meshes with another gear 32 which is rotatably mounted on a shaft 33, the latter being rotatably mounted in suitable bearings which are secured to the main frame 24. Suitable clutch mechanism 34 is provided for clutching the gear 32 to the shaft 33 so that the latter will be rotated thereby and a hand lever 35 is provided for controlling the clutch, the said hand lever being operatively connected to the clutch by suitable means such as alink 36 and lever 37.

A sprocket 38 is secured to the shaft 33 so as to be rotated therewith and a chain 39 engages the said sprocket 38 and also sprockets 40 and 41 on the shafts 42 and 43 respectively. The sprockets 40 and 41 are secured to the respective shafts so that the latter are rotated when the shaft 33 is rotated and the shafts 42 and 43 are journaled in suitable hearings on the main frame.

A disk 44 is secured to the outer end of the shaft 43 as best shown in Figs. 1 and 4, and the disk 44 is provided with a crank pin 45 on which is pivotally mounted one end of a connecting rod 46, the other end of which is pivotally connected at 47 to one end of. a rock arm 48, which arm is pivotally mounted on the shaft 21. A pawl 49 is pivotally connected at 50 to the other end of the rock arm 48 and the pawl is adapted to engage a ratchet 51 which is secured to the shaft 21. It will be understood that rotation of the disk 44 will be effective, through the connecting rod 46, to rock the rock arm 48 on the shaft 21 and that the pawl 49 carried by the rock arm will be effective to intermittently rotate the shaft 21 and thereby to impart intermittent or step by step movement to the conveyor chains 11 and 12. It will thus be seen that I have provided mechanism for feeding a plurality of boxes to the position A which means is operative to succesively support the boxes in such position foran interval of time during which time other mechanism,

' which will presently be described, is actuatgear 31 is secured to the shaft ed to insert a sheet of lining material into the box.

As best shown in Fi s. 1 and 3, I provide a table or support 15 or supporting a pile of lining sheets 14 and the support 15 is preferably mounted so as to be adjustable in a vertical direction by any suitable means such as arms 52 and 53, which are secured to the main frame-24 and provided with apertures 54 and 55 respectively, at their outer ends for receiving a rod 56 which is secured to the support 15. Set screws 57 and 58 may be provided for locking the rod 56 in any desired position of vertical adjustment in the apertures 54 and 55. Brackets 59 and 60 may be provided on the support 15 for positioning the pile of lining sheets on the support and the brackets 59 and 60 are preferably adjustable by means of a slot and bolt connection as clearly shown in Fig. 1.

The carrying devices 16 and 17 above referred to, are provided for feeding the lining sheets one at a time from the pile 14 to a position over a box in the position A, shelves 61 and 62 being provided for receiving and supporting the lining sheet in this position. The carrying members 16 and 17 are of similar construction, and hence, only one, the member 17, will be described.

The carrying member 17 comprises an arm 63 which is secured to a rock shaft 64, the latter being rocked by means of a rock arm 65, connecting rod 66 and crank pin 67 secured to a rotating member 68. The member 68 is mounted on a shaft 69 which is journaled in suitable bearings, and this shaft is rotated by means of a beveled gear 70 secured to the shaft 69 and a beveled gear 71 on the rotating shaft 33, which meshes with the former. It will be understood that rotation of the member 68 and crank pin carried thereby will be effective to rock the shaft 64 and thereby to oscillate the rock arm 63.

A link 72 is pivotally connected at one end to the free end of the rock arm 63 and in the present embodiment is yieldingly connected at its other end to a rod 73, which rod is supported at its free end by means of a roller 74 mounted on a portion of the main frame. The yielding connection between the link 72 and rod 73 consists of a pin member 75 which is secured to the rod 73 as indicated at 76 by any suitable means, and which pin extends through a journal block 77, which is pivotally mount-ed on the link 72. A compression spring 78 is disposed around the pin 75 between the upper end of the journal block 77 and a collar 79 secured to the pin, and it will be seen that the spring 78 is effective to normally maintain the rod 73 in engagement with the lower end of the journal block 77.

Any desirable means may be provided on the inner end of the rod 73 for engaging and picking up the uppermost sheet of lining material on the pile 14 and in the present instance I prefer to provide a suction cup 80, preferably of flexible material such as rubber, this cup being connected as best shown in Fig. 9, to. a conduit menibewSl which is pivotally mounted as indicated at 82 -on the rod 73.

By an inspection of Figs. 7 and 8 it will" wheel travels over a guide member 84 havj ing an inclined portion 85 at its inner end or end adjacent the pile of liningsheets. It will be seen that as the suction cap 80 approaches the pile of lining sheets, itgiiSj ltliSed to a position above the uppermost'sheet of the pile by means of the inclined'portion 85 of the guide member 84. Such raised position is indicated at 86 in dotted lines. Means is provided for depressing or lowering the suction cup into engagement with the uppermost sheet on the pile and this means in the present case consists of a spring pressed plunger 87 mounted on the link 72 so as to be in position to engage the top side of the rod 73 as clearly shown in Fig. 8. As the rock arm 63 and link 72 approach their extreme positions as shown in Fig. 8, the spring pressed plunger 87 engages the' rod 73 and forces it downwardly. The yielding connection between the link7 2 and the rod 73 permits separation thereof, as is also clearly shown in Fig. 8, thereby permitting the suction cup to be lowered in to engagement with the uppermost sheet of the pile of lining sheets as shown in the said Fig. 8. It will be noted that by means of the yielding plunger member 87 which is provided for lowering the cup into engagement with the top of the pile of lining sheets, the device is operable to pick up the top sheet from the pile without maintaining the top of the pile at a definite fixed height.

In other words, the sheet carrying device is operable to pick up and carry the top sheet from a pile of gradually diminishing height.

Movement of the rock arm 63 from the position shown in Fig. 8 back to the position shown in Fig. 7 will of course, cause the sucpreferably of the centrifugal type, this pump being driven by means of a belt 89 engaging a pulley 90 on the pump shaft and afpulley 91 on the rotated shaft 42. The pump 88 is provided with intake and exhaust ports 92 and 93 respectively, of which the intake port 92 is connected by means of a pipe line 94 and flexible conduit'95 to the conduit member 81 and suction cup 80; The

pipe line is preferabl provided with a Y-fittlng 96 so that bot carrying members 16 and 17 can be served by the same pipe line and controlled by a single valve 97 -which is interposed in the pipe line.

The rock arm 63 of the carrying mechanism'17 is connected by a transverse mem-- her 98 to the rock arm of the carrying member 16 and the transverse member 98 is provided with a cam plate 99 which is adapted to engage the valve control lever 100 to thereby turn the valve and shut off the exhaust from the suction cup when the arm reaches its limit of movement as shown in Figs. 3 and 7 andat which time the suction cup has carried a lining sheet to the position in which'it is to be deposited. A suitable spring 101 may be provided for turning the valve to on position when the arm 63 is moved in the other direction to bring the suction cup over the pile of sheets to pick up and subsequently feed the next sheet. It will now be seen that I have provided mechanism for automatically controlling the exhausting effect of the pump 88 onthe suction cup 80 so as to properly time the exhausting of air from the suction cup to cause a sheet of lining material to adhere to the cup until such time as the sheet is to be deposited in a new position.

In order to assist the suction cup to pick up only one sheetat a time from the pile 14, I provide a blower member 102 which is provided with a series of apertures as shown at 103 and connected to the exhaust port 93 of the pump by means of a pipe line 101. The blower 102 directs a current of air against the adjacent edge of the pile of lining sheets and tends to separate them so that the suction cup 80 will not pick up and carry more than one sheet at a time.

9 1 for control ing the degree of vacuum prol; duced by the exhaust pump 88 in the suction cup 80 and such means may comprise 120 V.

a spring controlled valve such as indicated at 105. This valve comprises a chamber 106 having a port 107 normally closed by a valve 108 which is retained in closed position by means of a spring 109 disposed. around the stem 110 of the valve and between a lug 111 and a nut 112 which screw threadedly engages the outer end of the stem 110. It will be seen that by adjusting thenut 112, the compression of the spring 109 will be Varied'and the pressure with 115 I prefer to rovide means in the pipe line which the valve 108 is held in closed position is accordingly varied. It will be readily understood that when the degree of vacuum becomes sufiicient to permit outside atmospheric pressure to unseat the valve 108 against the pressure of the spring 109, the port 107 will be opened and the atmospheric air will be permitted to enter the pipe line 94, and I am thus able to adjust the degree of vacuum produced by the pump in the suction cup 80 to adapt the mechanism for feeding lining sheets of various kinds and weights. In the present instance, I contemplate feeding sheets of tin-foil or the like which has been found to be very effective for preserving food stuff when Wrapped thereabout, but it is obvious of course, that lining sheets of other material may be fed with equal facility.

After the carrying members 16 and 17 feed the sheet of lining material onto the shelf members 61 and 62, it is desired to insert the sheet into one of the boxes B. For this I purpose I provide a plunger 13 which is slidably mounted in a pair of track members 114 and 115. The track members 114 and 115 are fixedly mounted on the main frame 24 and the plunger is reciprocated upwardly and downwardly by means of a connecting rod 116 which is pivotally connected at one end to a stud 117 projecting rearwardly from the plunger member 13 and pivotally connected at its other end to the crank pin 45 on the rotatin disk 44.

It will be seen that as the dis 44 rotates, the connecting rod 116 will be effective to impart reciprocation movement to the plunger 13, which plunger is adapted to engage the sheet of linin material previously deposited on the shelves 61 and 62 and to force the same into a box which is temporarily held stationary in a position directly beneath the plunger.

The plunger is also preferably provided with folding plates 118 and 119 for folding a marginal portion of the lining sheet downwardly on the outside of the box as indicated at 120. The width of the plunger 13 is preferably such as to cause the lining sheet to lie closely adjacent the inner walls of the box so that when food stuff is packed thereinto, there will be a relatively small amount of movement of the lining sheet caused by the insertion of such food stuff, after which the marginal portions or flaps 120 ma be folded over the top of the contents o the box to cover the said top.

The disk 44 is continuously rotated and the plunger 13 is accordingly continuously reciprocated. The box feeding mechanism is synchronized in its movement with the movement of the plunger so that the box will be held stationary in proper position under the plunger so that the plunger will enter the box on each of its down strokes. As shown in .Fig. 2, the plunger is in its up position and the boxes are being moved forward by the conveyor so that by the time the plunger 13 is againlowered to a position in whlch its bottom is almost even with the tops of the boxes, the boxes will be stopped in their movement with an unlined box in proper position for the plunger to continue its movement thereinto. I

In order to prevent any possible injury to the mechanism, I prefer to make the connecting rod 116 of a yielding type and for this purpose I provide the structure, shown n Fig. 6 The connecting rod there shown inclu es an upper member 121 which is pivotally connected to the stud 117 of the plunger and provided with a relatively long sleeve member 122 which is adapted to slid ably receive a rod portion 123 of the lower connecting rod member 124 which is pivotally mounted on the crank pin 45. The two connecting rod members 121 and 124 grewmaintained in normall operative position by means of a pair 0 coil springs 125 and 126 which are adapted to yield and permit relative movement of the two connecting rod members in case an obstruction should prevent full movement of the plunger in the downward direction.

In the present embodiment of my machine I have shown means for lining two sides and the bottom of a box and it is contemplated that separate sheets of lining material will be placed over the ends of the box either manually or by other automatic means to thereby form a complete lining for the box. The present machine is, however, effective to rapidly and accurately position the lining sheets in the box as above described, and the machine is relatively simple in its construction and operation, and will not readily become inoperative.

The described details being merely illustrative of a single embodiment of my invention, it will be understood that the scope of the same should be determined by reference to the following claims which should be construed as broadly as possible consistent with the state of the art.

I claim as my invention:

1. In a machine of the class described, means for feeding lining sheets or the like one at a time from a pile of sheets to a predetermined position to one side of said pile, said means including means for engaging the uppermost sheet on said pile, yielding means for effecting such engagement, whereby said engaging means is adapted to successively engage the top sheet at a gradually lowering height incidental to the progressive removal of sheets from the pile, means for causing said uppermost sheet to adhere to said engaging means, means for initially raising said engaging means and a portion of the sheet adhering thereto and Ill.)

subsequently moving said engaging means and the sheet carried thereby to one side of the pile, and meansfor causing said sheet to be released from said engaging means thereby to deposit the sheet in said predetermined position.

2. In a machine of the class described, means for feeding the top sheet of a pile of sheets from said pile to a position alongside the pile, said means including a longitudinally movable rod, a suction cup connected to one end of said rod so as to be movable therewith to a position over the pile of sheets, a pivotally mounted arm, means for oscillating said arm on its pivot, a link pivotally connected at one end to the free end of said arm and connected at its opposite end to said rod adjacent said suction cup, said arm and link being efiective to reciprocate said rod as an incident to the oscillation of the arm, whereby the cup is moved to said position above said ,top' sheet, means for lowering said suction cup into engagement with said top sheet, means for causing said top sheet to adhere to said suction cup whereby the latter is adapted to carry the sheet from said pile to said position alongside the pile as an incident to the reciprocation of said rod in the reverse direction.

3. In a machine of the class described, means for feeding the uppermost sheet of a pile of sheets from said pile to a position alongside said pile and comprising a movably mounted member for engaging said sheet and having means for causing the sheet to adhere thereto, means for moving said engaging member to a tposition over said uppermost sheet, means or yieldingly lowering said member into engagement with the sheet, whereby said engaging means is adapted to successively engage the top sheet at a gradually lowering height incidental to the progressive removal of sheets from the pile, said means for moving said engaging member being also operative to move the member in the reverse direction, thereby to cause the member to lift a portion of the sheet away from said pile and subsequently tocarry the sheet to said position alongside the pile, and means for causing the sheet to be released from said engaging means, thereby to deposit the sheet in said position.

4. In a machine of the class described, means for feeding the top sheet of a pile of sheets from said pile to a position alongside the pile, said means including a longitudinally movable rod, means for guiding said rod as it is moved, an engaging member connected to one end of said rod and adapted to be moved therewith to a position over the pile of sheets, a pivotally mounted arm,

- means for oscillating said arm on its'pivot,

a link pivotally connected at one end to the free endof said arm and connected at its opposite end to said rod adjacent said engaging member, said arm and link being effective to reciprocate said rod as an incident to the oscillation of the arm, whereby the engaging member ismoved to a position above said top sheet, means for lowering said member into engagement with said top sheet, means for causing said top sheet to nally movable rod, means for guiding said rod as it is moved, an engagin member connected to one end of said ro and adapted to be moved therewith to a position over the pile of sheets, a pivotally mounted arm,

means for oscillating said arm on its pivot, a link pivotally connected at one end to the free end of said arm and connected at its opposite end to said rod adjacent said engaging member, said arm and link being ef fective to reciprocate said rod as an incident to the oscillation of the arm, whereby the engaging member is moved to a position above said top sheet, means carried by said link for engaging said rod to lower said member into engagement with said top sheet, means for causing said top sheet to adhere to said member whereby the latter is adapted to carry the sheet from said pile to said position alongside the pile as an incident to reciprocation of said rod in the reverse direction.

6. In a machine of the class described, means for feeding the top sheet of a pile of sheets from said pile to a position alongside the pile, said means including a longitudinally movable rod, a suction cup connected to one end of said rod so as to be movable therewith to a position over the pile of sheets, a pivotally mounted arm, means for oscillating said arm o'nits pivot, a link pivotally connected at one end to the free end of said arm and connected at its opposite end to said rod adjacent said suction cup, said arm and link being effective to reciprocate said rod as an incident to the oscillation of the arm, whereby the cup is moved to said position above said top sheet, means carried by said link for engaging said rod to lower said suction cup into engagement with said top'sheet, means for causing said top sheet to adhere to said suction cup whereby the latter is adaptedito carry the sheet from saidpile to said position alongside the pile as an incident to the reciprocation of said rod in; the reverse direction. g

7. In a machine or the class described, means for feeding'the top sheet of a pile of sheets from said pile to a position alongside the p1le,,said means including a longitudinally movable rod, means for guiding saidrod as it is moved, a suction cup connected to one end of said rod and adapted to be moved therewith to a position over the pile of sheets, a pivot-ally mounted arm, means for oscillating said arm on its pivot, a link pivotally connected at one end to the free end of said arm and having a yielding connection at its opposite end to said rod adjacent said suction cup, said arm and link being effective to reciprocate -said rod as an incident to the oscillation of the arm, whereby the cup is moved to a position over said top sheet, means acting against the tension of said yielding connection for low-r ering said suction cup into engagement with said top sheet, and means for causing the top sheet to adhere tosaid suction cup, whereby the latter is adapted to carry the sheet from said pile to said position alongside the pile as an incident to reciprocation of said rod in the reverse direction.

8. In a machine of the class described, means for feeding the top sheet of a pile of sheets from said pile to a position along side said pile, said means including a l0I1gltudinally movable rod, a suction cup connected to one end of said rod so as to be movable therewith to a position over the pile of sheets, a pivotally mounted arm, means for oscillating said arm on its piyot, alink pivotally connected at one end to the free end of said arm and having a yielding connection at its opposite end to said rod adjacent said suction cup, said arm and link being effective to reciprocate said rod as an incident to oscillation of the arm, means for raising the cup and adjacent end of the rod as the rod is moved toward the pile, whereby the cup is moved to said position over the pile, means acting against the tension of said yielding connection for lowering said suction cup into engagement with said top sheet, and means for causing the top sheet to adhere to said suction cup, whereby the latter is adapted to carry the sheet from said pile to said position alongside the pile as an incident to reciprocation of said rod in the reverse direction.

9. In a machine of the class described, means for feeding the top sheet of a pile of sheets from said pile to a position alongside said pile, said means including a longitudinally movable rod, a suction cup connected to one end of said rod so as to be movable therewith to a position over the pile of sheets, a pivotally mounted arm, means for oscillating said arm on its pivot, a link pivotally connected at one end to the free end of said arm and having a yielding connection at its opposite end to said rod adjacent said suction cup, said arm and link being effective to reciprocate said arm as an incident to oscillation of the arm, means for raising the cup and adjacent end of the rod as the rod is moved toward the pile, whereby the cup is moved to said position over the pile, meanscarried b and acting against the tension 0 said yielding connection for lowering said suction cup into engagement with said top sheet, means for causing the to sheet to adhere to said suction cup, where y the latter is adapted to carry the sheet from said pile to said position alongside the pile as an incident to reciprocation' of. said rod in the reverse direction. V 1

10. In a machine of the class described, means for feeding the top sheet of a pile of sheets from said pile to a position along side said pile, said means including a longitudinally movable rod, a suction cup connected to one end of said-rod so .as to be movable therewith to a position over the pile of sheets, a pivotally mounted arm, means for oscillating said arm on its pivot, a link pivotally connected at one end to the free end of said arm and having a yielding connection at its opposite end to said rod adjacent said suction cup, said arm and linlZ being effective to reciprocate said arm as an incident to oscillation of the arm, means for raising the cup and adjacent end of the rod as the rod is moved toward the pile, whereby the cup is moved to said position over the pile, yielding means acting against the tension of said yielding connection for lowering said suction cup mto engagement with said top sheet, said yielding means being effective to successively lower said cup into engagement with the top sheet of a pile of sheets, the height of Which is successively lowered sheet by sheet.

11. In combination in a machine for successively feeding the top sheet of a pile of sheets to a position alongside the pile, a sheet pick-up member, a rock arm, means for oscillating said rock arm, means connecting the free end of said arm with said pick-up member for effecting reciprocation of the pick-up member as an incident to the oscillation of said arm, said connecting means being such as to permit movement of the pick-up member transversely of the direction of its reciprocatin means operative as an inci ent to the movement of said rock arm for effecting such transverse movement of said pick-up member into engagement with the top sheet of the pile of sheets.

12. In a machine for feeding sheets from the top of a pile of sheets to a position alongside the pile, the combination of a sheet pick-up member, a rock arm, means for oscillating said arm, means connecting the free end of said arm with said pick-up member for effecting reciprocation of the pick-up member as an incident to the oscillation of said link movement and said arm, said means permitting movement of said pick-up member transversely of the cllrection of its reciprocating movement, and yielding means operative as an incident to the movement of said rock arm for efi'ecting such transverse movement of said pick-up means into engagement with the top sheet of the pile of sheets.

WAYNE E. VESEY.

CERTIFICATE OF CORRECTION;

Patent No. 1,767,193. Granted June 24, 1930, to

WAYNE E. VESEY.

It is hereby certified that the above numbered patent was erroneously issueu to "K-P-C Company, of Chicago, lllinois, a Corporation of Illinois", whereas said patent should have been issued to "Kraft-Phenix Cheese Corporation, of Chicago, Illinois, a Corporation of Illinois", said corporation being assignee by mesne assignment of the entire interest in said invention, as shown by the records of assignments in this tiffice; and that the said Letters Patent should be read with this correction therein that the same may conform to the record of the case in the Patent Office. i l

Signed and sealed this 5th day of August, A. D. 1930.

Wm. A. Kinnan,

(Seal) Acting Commissioner of Patents. 

